Home / 243,972,004.60-365,958,006.90-209,959,780.60

Finding the Fourth Proportional to 243,972,004.60, 365,958,006.90 and 209,959,780.60

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Solution

The fourth proportional to 243,972,004.60, 365,958,006.90 and 209,959,780.60 is: 314,939,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,972,004.60 : 365,958,006.90 = 209,959,780.60 : x
  2. Step 2: Convert to fraction form
    243,972,004.60/365,958,006.90 = 209,959,780.60/x
  3. Step 3: Cross multiply
    243,972,004.60x = 365,958,006.90 × 209,959,780.60
  4. Step 4: Simplify right side
    243,972,004.60x = 76,836,462,837,537,280
  5. Step 5: Solve for x
    x = 76,836,462,837,537,280/243,972,004.60
  6. Step 6: Final answer
    x = 314,939,670.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.